PartNumber | AT89C51AC2-SLSUM | AT89C51AC2-RLTUM | AT89C51AC3-RDTUM |
Description | 8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V | 8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V | 8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V |
Manufacturer | Microchip | Microchip | Microchip |
Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
RoHS | Y | Y | Y |
Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
Package / Case | PLCC-44 | VQFP-44 | VQFP-64 |
Series | 89C | 89C | 89C |
Core | 8051 | 8051 | 8051 |
Data Bus Width | 8 bit | 8 bit | 8 bit |
Maximum Clock Frequency | 40 MHz | 40 MHz | 60 MHz |
Program Memory Size | 32 kB | 32 kB | 64 kB |
Data RAM Size | 1.25 kB | 1.25 kB | 2 kB |
ADC Resolution | 10 bit | 10 bit | 10 bit |
Number of I/Os | 34 I/O | 34 I/O | 36 I/O |
Operating Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V |
Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
Packaging | Tube | Tray | Tray |
Height | 3.69 mm | 1.45 mm | 1.45 mm |
Length | 16.66 mm | 10.1 mm | 10.1 mm |
Product | MCU | MCU | MCU |
Program Memory Type | Flash | Flash | Flash |
Width | 16.66 mm | 10.1 mm | 10.1 mm |
Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
Data RAM Type | SRAM | SRAM | ERAM |
Data ROM Size | 2 kB | 2 kB | 2 kB |
Data ROM Type | EEPROM | EEPROM | EEPROM |
Interface Type | UART | UART | SPI, UART |
Analog Supply Voltage | - | - | - |
DAC Resolution | - | - | - |
I/O Voltage | - | - | - |
Moisture Sensitive | Yes | Yes | Yes |
Number of ADC Channels | 8 Channel | 8 Channel | 8 |
Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
Processor Series | AT89C51AC2 | AT89C51AC2 | AT89x |
Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
Factory Pack Quantity | 27 | 160 | 160 |
Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
Supply Voltage Min | 3 V | 3 V | 3 V |
Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
Unit Weight | 0.084185 oz | 0.059542 oz | 0.005880 oz |